The ADR44x series is a family of XFET voltage references featuring ultralow noise, high accuracy, and low temperature drift performance. Using ADI's patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, the ADR44x family's voltage change vs. temperature nonlinearity is greatly minimized. The XFET references offer better noise performance than buried-Zener references, and XFET references operate off low supply headroom (0.5 V). This combination of features makes the ADR44x family ideally suited for precision signal conversion applications in high-end data acquisition systems, optical networks, and medical requirements. The ADR44x family has the capability to source up to 10 mA and sink up to 5 mA of output current. It also comes with a TRIM terminal to adjust the output voltage over a 0.5% range without compromising any performance.

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